[gecode-users] Extending Integer Variable
Vincent Barichard
Vincent.Barichard at univ-angers.fr
Fri Apr 4 09:23:03 CEST 2008
Dear Christian,
Thank you very much for your useful information and advices.
My purpose is to design some search algorithms which deal with values and
domains. In fact, I need at the same time the _min and _max value of the
variable domain and the _current value that I try to instantiate.
As In Gecode, an instantiation makes the domain to reduce to a single value
(_min == _max), I need another "int" member to store the _current value
without reducing the domain.
I am not sure that other people will absolutely need that, but It can be
usefull to add its own data structure to an existing Gecode variable. Maybe a
pointer to an object (NULL by default) given to the constructor. If a user
wants to deal with this object, he must design a View which tackles the
object.
As a conclusion, I will follow your advice and do the experiment first :-)
Thank you again,
Cheers,
Vincent
Le jeudi 3 avril 2008, Christian Schulte a écrit :
> Dear Vincent,
>
> let me first elaborate a little bit how Gecode's variables and propagators
> are structured before I actually attempt to give an answer.
>
> Gecode has three important concepts regarding variables:
> - variables: they are used for modeling, and the only operations they
> provide are good for modeling. In particular,
> variables to not provide operations to update their domain. Examples are
> IntVar, BoolVar, etc. Variables are
> hence provide nothing but an interface to variable implementations
> (actually, variables are implemented as
> a pointer to variable implementations).
> - variable implementations: they are the real objects storing the domain
> and which propagators and advisors must be
> executed when the domain changes. They themselves are constructed in two
> steps: a domain independent stub that is
> automatically generated from a simple description (just a few lines).
> The stub is concerned with events, how
> propagators can be subscribed to, and linking the variable
> implementations to the Gecode kernel etc. The real
> variable implementation then inherits from the generated stub and adds
> the variable domain and so on.
> - views: like variables they are nothing but an interface for variable
> implementations. However, views are used
> by propagators and branching and provide operations to update variable
> domains, subscribe propagators to changes,
> and so on. More importantly, for the same variable implementation
> several views exist: a MinusView for a variable
> implementation x, for example, provides an interface that behaves as if
> the operations on the MinusView are executed
> on -x rather than x. Examples are IntView, BoolView, MinusView,
> OffsetView, ... For more on views there is paper
> on the Gecode webpage.
>
> Propagators themselves have two parts: a post function and the actual
> propagator. A post function (such as rel, distinct, linear, etc.) is used
> for modeling and hence takes variables as arguments. It then chooses the
> right propagator and the right views (converting variables to views by
> passing the underlying reference to the variable implementation).
>
> Propagators are typically parametric (as templates in C++) with respect to
> the view they are using: for example, the Max propagator is instantiated
> for the max posting function with an IntView whereas it is also
> instantiated with a MinusView for the min posting function.
>
> Sorry for the long blurb, let's move to the answer: as Gecode is designed,
> you can reuse propagators provided that you implement: a variable
> implementation by yourself (that's what you want to do), variables for them
> (so that you can model), and views for them (so that you can reuse the
> propagators), post functions (because they talk about your variables).
>
> This is a lot of effort! If you want to make something that is used (rather
> than an experiment), then one could also make views and variables
> parametric wrt the variable implementation used. That is easy but requires
> intimate Gecode knowledge. Then, in principal, one could also make the post
> functions parametric but this is almost impossible in reality as they
> should provide simple static linkage as they constitute the basic interface
> to Gecode.
>
> So it really depends on what you want to do. For an experiment, hack the
> variable implementation. For something, first do the experiment ;-)
>
> What do you want to do? Do you think it me be generally useful to be
> included in Gecode anyway?
>
> All the best
> Christian
>
> --
> Christian Schulte, www.ict.kth.se/~cschulte/
>
>
> -----Original Message-----
> From: users-bounces at gecode.org [mailto:users-bounces at gecode.org] On Behalf
> Of Vincent Barichard
> Sent: Wednesday, April 02, 2008 4:08 PM
> To: gecode list
> Subject: [gecode-users] Extending Integer Variable
>
> Hi,
>
> I am trying to extend IntVar in order to use it in my self(-made
> algorithms. I would like to use an unaltered Gecode, but I need to add an
> "int" member in
> the IntVar implementation. I don't want to make my own Integer Variable
> class
> because I also need to use the algorithms designed in Gecode.
> Is there a clean way to extend this class (by inheritance maybe ....) and
> add
> a member without altering Gecode ?
>
> Thank you for your assistance.
> Best regards,
>
> Vincent
--
Vincent Barichard Université d'Angers (LERIA)
Tel: 02 41 73 52 06 Département Informatique
Fax: 02 41 73 50 73 H203
More information about the gecode-users
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MISC - Multi-Index Specialized
Containers
MISC
- 多重索引专用容器
Let's be generic, construct frameworks, describe the world in an unified way...
我们应该进行泛型的设计，构造框架，以统一的方式来描述世界...
No!, it is better to be specialized, design easy-to-use components, offer plug-and-play objects...
不！特化是更好的，设计易用的组件，提供即插即用的对象...
Why not take advantage of the best of both worlds?
为什么不同时利用两种方式的优势？
With Boost.Bimap, you can build associative containers in which both types
can be used as key. There is a library in Boost that already allows the creation
of this kind of container: Boost.MultiIndex. It offers great flexibility
and lets you construct almost any container that you could dream of. The
framework is very clean. You migh want to read this library's tutorial to
learn about the power that has been achieved.
有了 Boost.Bimap，你可以构建两侧类型均可用作键值的关联式容器。Boost
中还有一个库也可以创建此类容器， 它就是：Boost.MultiIndex。它提供了强大的灵活性，几乎可以让你构造任意想要的容器。
该框架非常干净。你也许想看看该库的教程来学习它所具有的能力。
But generality comes at a price: the interface that results might not be
the best for every specialization. People may end up wrapping a B.MI container
in its own class every time they want to use it as a bidirectional map. Boost.Bimap
takes advantage of the narrower scope to produce a better interface for bidirectional
maps [2]. There is no learning curve if you know how to use standard containers.
Great effort was put into mapping the naming scheme of the STL to Boost.Bimap.
The library is designed to match the common STL containers.
不过通用性是有代价的：其接口对于各种特殊情况来说不一定是最好的。
人们也许不想在每次想使用双向映射时都将一个 B.MI 容器包装到一个自己的类中。
Boost.Bimap 凭借较窄的适用范围定义了一个更好的双向映射的接口。如果你懂得如何使用标准容器，
则不存在任何学习曲线。将 STL 的命名方式置于 Boost.Bimap
也获得了很多好处。 这个库被设计与常用的 STL 容器相匹配。
Boost.MultiIndex is, in fact, the core of the bimap container.
事实上，Boost.MultiIndex
是 bimap 容器的核心。
However, Boost.Bimap do not aim to tackle every problem with two indexed
types. There exist some problems that are better modelled with Boost.MultiIndex.
不过，Boost.Bimap 并不是解决与两个索引类型相关的任意问题的工具。有一些问题使用
Boost.MultiIndex 会更好。
You can also read Additional
Information for more information about the relation of this two libraries.
你也可以阅读 更多的信息
一节， 其中有关于这两个库的关系的更多信息。
[2]
In the same fashion, Boost.MRU will allow the creation of most
recent updated aware containers, hiding the complexity of Boost.MultiIndex.
同样的方式 ，Boost.MRU 可用于创建对最近更新感知的容器，将
Boost.MultiIndex 的复杂性隐藏起来。


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Introduction
Internal SDK documentation of the IUP library, automatically generated using Doxygen (http://www.doxygen.org/).
Code Standards
Function Names (prefix format)
- IupFunc - User API, implemented in the core
- iupFunc - Internal Core API, implemented in the core, used in the core or in driver
- iupxxxFunc - Windows Internal API, implemented in driver xxx, used in driver xxx
- iupdrvFunc - Driver API, implemented in driver, used in the core or driver
- xxxFunc - Driver xxx local functions
Global Variables (lower case format)
Local Variables (lower case format, using module name)
File Names
- iupyyy.h - public headers
- iup_yyy.h/c - core
- iupxxx_yyy.h/c - driver
Structures
File Comments (at start)
- Check an existent file for example.
Defines
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Documentation
- In the header, using Doxygen commands.
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java.lang.Object org.apache.xalan.lib.ExsltBase org.apache.xalan.lib.ExsltDynamic
public class ExsltDynamic
This class contains EXSLT dynamic extension functions. It is accessed by specifying a namespace URI as follows:
xmlns:dyn="http://exslt.org/dynamic"The documentation for each function has been copied from the relevant EXSLT Implementer page.
| Field Summary | |
|---|---|
static java.lang.String |
EXSL_URI
|
| Constructor Summary | |
|---|---|
ExsltDynamic()
|
| Method Summary | |
|---|---|
static org.w3c.dom.NodeList |
closure(ExpressionContext myContext,
org.w3c.dom.NodeList nl,
java.lang.String expr)
The dyn:closure function creates a node set resulting from transitive closure of evaluating the expression passed as the second argument on each of the nodes passed as the first argument, then on the node set resulting from that and so on until no more nodes are found. |
static XObject |
evaluate(ExpressionContext myContext,
java.lang.String xpathExpr)
The dyn:evaluate function evaluates a string as an XPath expression and returns the resulting value, which might be a boolean, number, string, node set, result tree fragment or external object. |
static org.w3c.dom.NodeList |
map(ExpressionContext myContext,
org.w3c.dom.NodeList nl,
java.lang.String expr)
The dyn:map function evaluates the expression passed as the second argument for each of the nodes passed as the first argument, and returns a node set of those values. |
static double |
max(ExpressionContext myContext,
org.w3c.dom.NodeList nl,
java.lang.String expr)
The dyn:max function calculates the maximum value for the nodes passed as the first argument, where the value of each node is calculated dynamically using an XPath expression passed as a string as the second argument. |
static double |
min(ExpressionContext myContext,
org.w3c.dom.NodeList nl,
java.lang.String expr)
The dyn:min function calculates the minimum value for the nodes passed as the first argument, where the value of each node is calculated dynamically using an XPath expression passed as a string as the second argument. |
static double |
sum(ExpressionContext myContext,
org.w3c.dom.NodeList nl,
java.lang.String expr)
The dyn:sum function calculates the sum for the nodes passed as the first argument, where the value of each node is calculated dynamically using an XPath expression passed as a string as the second argument. |
| Methods inherited from class org.apache.xalan.lib.ExsltBase |
|---|
toNumber, toString |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
public static final java.lang.String EXSL_URI
| Constructor Detail |
|---|
public ExsltDynamic()
| Method Detail |
|---|
public static double max(ExpressionContext myContext, org.w3c.dom.NodeList nl, java.lang.String expr) throws org.xml.sax.SAXNotSupportedException
The expressions are evaluated relative to the nodes passed as the first argument. In other words, the value for each node is calculated by evaluating the XPath expression with all context information being the same as that for the call to the dyn:max function itself, except for the following:
The dyn:max function returns the maximum of these values, calculated in exactly the same way as for math:max.
If the expression string passed as the second argument is an invalid XPath expression (including an empty string), this function returns NaN.
This function must take a second argument. To calculate the maximum of a set of nodes based on their string values, you should use the math:max function.
myContext
- The ExpressionContext passed by the extension processornl
- The node setexpr
- The expression string
org.xml.sax.SAXNotSupportedException
public static double min(ExpressionContext myContext, org.w3c.dom.NodeList nl, java.lang.String expr) throws org.xml.sax.SAXNotSupportedException
The expressions are evaluated relative to the nodes passed as the first argument. In other words, the value for each node is calculated by evaluating the XPath expression with all context information being the same as that for the call to the dyn:min function itself, except for the following:
The dyn:min function returns the minimum of these values, calculated in exactly the same way as for math:min.
If the expression string passed as the second argument is an invalid XPath expression (including an empty string), this function returns NaN.
This function must take a second argument. To calculate the minimum of a set of nodes based on their string values, you should use the math:min function.
myContext
- The ExpressionContext passed by the extension processornl
- The node setexpr
- The expression string
org.xml.sax.SAXNotSupportedException
public static double sum(ExpressionContext myContext, org.w3c.dom.NodeList nl, java.lang.String expr) throws org.xml.sax.SAXNotSupportedException
The expressions are evaluated relative to the nodes passed as the first argument. In other words, the value for each node is calculated by evaluating the XPath expression with all context information being the same as that for the call to the dyn:sum function itself, except for the following:
The dyn:sum function returns the sumimum of these values, calculated in exactly the same way as for sum.
If the expression string passed as the second argument is an invalid XPath expression (including an empty string), this function returns NaN.
This function must take a second argument. To calculate the sumimum of a set of nodes based on their string values, you should use the sum function.
myContext
- The ExpressionContext passed by the extension processornl
- The node setexpr
- The expression string
org.xml.sax.SAXNotSupportedException
public static org.w3c.dom.NodeList map(ExpressionContext myContext, org.w3c.dom.NodeList nl, java.lang.String expr) throws org.xml.sax.SAXNotSupportedException
The expressions are evaluated relative to the nodes passed as the first argument. In other words, the value for each node is calculated by evaluating the XPath expression with all context information being the same as that for the call to the dyn:map function itself, except for the following:
If the expression string passed as the second argument is an invalid XPath expression (including an empty string), this function returns an empty node set.
If the XPath expression evaluates as a node set, the dyn:map function returns the union of the node sets returned by evaluating the expression for each of the nodes in the first argument. Note that this may mean that the node set resulting from the call to the dyn:map function contains a different number of nodes from the number in the node set passed as the first argument to the function.
If the XPath expression evaluates as a number, the dyn:map function returns a node set containing one exsl:number element (namespace http://exslt.org/common) for each node in the node set passed as the first argument to the dyn:map function, in document order. The string value of each exsl:number element is the same as the result of converting the number resulting from evaluating the expression to a string as with the number function, with the exception that Infinity results in an exsl:number holding the highest number the implementation can store, and -Infinity results in an exsl:number holding the lowest number the implementation can store.
If the XPath expression evaluates as a boolean, the dyn:map function returns a node set containing one exsl:boolean element (namespace http://exslt.org/common) for each node in the node set passed as the first argument to the dyn:map function, in document order. The string value of each exsl:boolean element is 'true' if the expression evaluates as true for the node, and '' if the expression evaluates as false.
Otherwise, the dyn:map function returns a node set containing one exsl:string element (namespace http://exslt.org/common) for each node in the node set passed as the first argument to the dyn:map function, in document order. The string value of each exsl:string element is the same as the result of converting the result of evaluating the expression for the relevant node to a string as with the string function.
myContext
- The ExpressionContext passed by the extension processornl
- The node setexpr
- The expression string
org.xml.sax.SAXNotSupportedException
public static XObject evaluate(ExpressionContext myContext, java.lang.String xpathExpr) throws org.xml.sax.SAXNotSupportedException
If the expression string passed as the second argument is an invalid XPath expression (including an empty string), this function returns an empty node set.
You should only use this function if the expression must be constructed dynamically, otherwise it is much more efficient to use the expression literally.
myContext
- The ExpressionContext passed by the extension processorxpathExpr
- The XPath expression string
org.xml.sax.SAXNotSupportedException
public static org.w3c.dom.NodeList closure(ExpressionContext myContext, org.w3c.dom.NodeList nl, java.lang.String expr) throws org.xml.sax.SAXNotSupportedException
dyn:closure(., '*')returns all the descendant elements of the node (its element children, their children, their children's children and so on).
The expression is thus evaluated several times, each with a different node set acting as the context of the expression. The first time the expression is evaluated, the context node set is the first argument passed to the dyn:closure function. In other words, the node set for each node is calculated by evaluating the XPath expression with all context information being the same as that for the call to the dyn:closure function itself, except for the following:
The result for a particular iteration is the union of the node sets resulting from evaluting the expression for each of the nodes in the source node set for that iteration. This result is then used as the source node set for the next iteration, and so on. The result of the function as a whole is the union of the node sets generated by each iteration.
If the expression string passed as the second argument is an invalid XPath expression (including an empty string) or an expression that does not return a node set, this function returns an empty node set.
myContext
- The ExpressionContext passed by the extension processornl
- The node setexpr
- The expression string
org.xml.sax.SAXNotSupportedException
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Using jQuery with Web components
As we were starting to use Baasic with Web components/Polymer, one of the first challenges was integrating the existing jQuery plugins into our components. See what we have tried and how it turned out.
If you still haven't familiarized yourself with Baasic we've prepared a couple of articles to get you going.
As we were starting to use Baasic with Web components/Polymer, one of the first challenges was integrating the existing jQuery plugins into our components. See what we have tried and how it turned out.
News about Web components, a set of W3C standards and upcoming browser APIs for defining custom HTML elements, started appearing right about the time we started putting together a proof of concept for Baasic. Right away, it seemed like an ideal match for putting together simple yet powerful set of elements that could be easily reused and customized across totally different projects.
It is a big moment for the team here at Mono Software: a very first time we are letting the world know about the details of our new service that boldly goes where no BaaS has gone before. While we have your attention, let's explain a couple of basic terms.
Baasic is platform agnostic. Build up your site using your own tools and just add Baasic!
Our premade baasic components make it really easy to give your site some dynamic content.
Edit your content using our in built Markdown editor, save it up and you're good to go.
An example article from Polymer website
Aquiring a Baasic Guru account gets you a full featured Baasic app account and an opportunity to help us grow Baasic!
Become a Baasic GuruYou can easily install Baasic Components in to your project by using Bower or downloading them directly from GitHub.
We are continously adding new Baasic Web components to the main repository, and Bower takes care of all dependencies. To install components supporting minimal content management functionality, use:
bower install baasic-sdk-polymer-core-sessioncontrol
bower install baasic-sdk-polymer-membership-login
bower install baasic-sdk-polymer-article-module
baasic-login component provides standard login interface. baasic-article component gives you the ability to create chunks of editable content and to control who can view and edit it. baasic-sessioncontrol component controls the expiration of user credentials on the client side. Internally, these components use several other low-level components (providing support for Ajax calls, CRUD operations, editing, configuration management, etc.)
<link rel="import" href="bower_components/baasic-sessioncontrol.html">
<link rel="import" href="bower_components/baasic-login.html">
<link rel="import" href="bower_components/baasic-article.html">


Filestack\FilestackClient
Filestack client object. This is the main object to make functional calls to the Filestack API.
Synopsis
class FilestackClient
{
- // members
- public $api_key;
- public $security;
- private $upload_processor;
- // methods
- public void __construct()
- public void __call()
- public void getCdnUrl()
- public string getContent()
- public array getMetaData()
- public json getSafeForWork()
- public json getTags()
- public Filestack/Filelink collage()
- public string convertAudio()
- public Filestack/Filelink convertFile()
- public string convertVideo()
- public json debug()
- public bool delete()
- public bool download()
- public Filelink overwrite()
- public Filestack/Filelink screenshot()
- public Filelink transform()
- public Filelink upload()
- public Filelink uploadUrl()
- public Filestack/Filelink zip()
- // Inherited methods from CommonMixin
- public bool isUrl()
- public int get_retry_miliseconds()
- public bool sendDelete()
- protected bool sendDownload()
- protected string sendGetContent()
- protected array sendGetMetaData()
- protected json sendGetSafeForWork()
- protected json sendGetTags()
- public Filelink sendOverwrite()
- protected Filelink handleResponseCreateFilelink()
- protected array handleResponseDecodeJson()
- protected void sendRequest()
- protected void getSourceHeaders()
- protected void addRequestSourceHeader()
- protected void appendData()
- protected void appendPromise()
- protected void settlePromises()
- // Inherited methods from TransformationMixin
- public Transformation getTransformStr()
- protected Transformation insertTransformStr()
- public json sendDebug()
- public Filelink sendTransform()
- public string sendVideoConvert()
- public json getConvertTaskInfo()
- protected string createTransformStr()
- protected string createTransformUrl()
Hierarchy
Members
private
- $upload_processor
protected
- $http_client
- $http_promises
- $source_header
- $user_agent_header
public
- $api_key
- $security
Methods
public
- __construct() — FilestackClient constructor
- __call() — Catchall function, throws Filestack Exception if method is not valid
- collage() — Set this Filelink's transform_url to include the collage task
- convertAudio() — Convert url or filelink handle to another audio format. IMPORTANT: To use this function, you must setup webhooks to notify you when the transcoding has completed. See our online documentation for more details: https://www.filestack.com/docs/audio-transformations
- convertFile() — Convert audio file from url or filelink handle to another format. To see which format can be converted, see: https://www.filestack.com/docs/image-transformations/conversion
- convertVideo() — Convert a video file from url or filelink handle to another video format.
- debug() — Debug transform tasks
- delete() — Delete a file from cloud storage
- download() — Download a file, saving it to specified destination
- getCdnUrl() — Get the cdn url of a filestack file
- getContent() — Get the content of file
- getMetaData() — Get metadata of a file
- getSafeForWork() — Get sfw (safe for work) flag of a filelink
- getTags() — Get tags of a filelink
- overwrite() — Overwrite a file in cloud storage
- screenshot() — Take a screenshot of a URL
- transform() — Applied array of transformation tasks to a url
- upload() — Upload a file to desired cloud service, defaults to Filestack's S3 storage.
- uploadUrl() — Upload a url to desired cloud service, defaults to Filestack's S3 storage. Set $options['location'] to specify location, possible values are: S3, gcs, azure, rackspace, dropbox
- zip() — Bundle an array of files into a zip file. This task takes the file or files that are passed in the array and compresses them into a zip file. Sources can be handles, urls, or a mix of both
Inherited from Filestack\Mixins\CommonMixin
protected
- addRequestSourceHeader() — Append source header to request headers array
- appendData() — Append a data item
- appendPromise()
- getSourceHeaders() — Get source header
- handleResponseCreateFilelink() — Handle a Filestack response and create a filelink object
- handleResponseDecodeJson() — Handles a response. decode and return json if 200, throws exception otherwise.
- sendDownload() — Download a file to specified destination given a url
- sendGetContent() — Get the content of a file.
- sendGetMetaData() — Get the metadata of a remote file. Will only retrieve specific fields if optional fields are passed in
- sendGetSafeForWork() — Get the safe for work (sfw) flag of a filelink.
- sendGetTags() — Get the tags of a filelink.
- sendRequest() — Send request
- settlePromises()
public
- get_retry_miliseconds() — Get the miliseconds of exponential backoff retry strategy
- isUrl() — Check if a string is a valid url.
- sendDelete() — Delete a file from cloud storage
- sendOverwrite() — Overwrite a file in cloud storage
Inherited from Filestack\Mixins\TransformationMixin
protected
- createTransformStr() — Create the transform parts of the transformation url
- createTransformUrl() — Create the transform parts of the transformation url
- insertTransformStr() — Insert a transformation task into existing url
public
- getConvertTaskInfo() — Get the info of a conversion task given the conversion url
- getTransformStr() — Return the URL portion of a transformation task
- sendDebug() — Send debug call
- sendTransform() — Applied array of transformation tasks to handle or external url
- sendVideoConvert() — Send video_convert request to API


File generated from /Users/xenykr/Documents/project/Tellet/ssam/apps/ssam/.eunit/ssam_console.erl by COVER 2014-10-10 at 15:20:01 **************************************************************************** | %% @doc Interface for ssam-admin commands. | -module(ssam_console). | -export([join/1, | leave/1, | remove/1, | ringready/1]). | | join([NodeStr]) -> 0..| try riak_core:join(NodeStr) of | ok -> 0..| io:format("Sent join request to ~s\n", [NodeStr]), 0..| ok; | {error, not_reachable} -> 0..| io:format("Node ~s is not reachable!\n", [NodeStr]), 0..| error; | {error, different_ring_sizes} -> 0..| io:format("Failed: ~s has a different ring_creation_size~n", | [NodeStr]), 0..| error | catch | Exception:Reason -> 0..| lager:error("Join failed ~p:~p", [Exception, Reason]), 0..| io:format("Join failed, see log for details~n"), 0..| error | end. | | leave([]) -> 0..| remove_node(node()). | | remove([Node]) -> 0..| remove_node(list_to_atom(Node)). | | remove_node(Node) when is_atom(Node) -> 0..| try catch(riak_core:remove_from_cluster(Node)) of | {'EXIT', {badarg, [{erlang, hd, [[]]}|_]}} -> | %% This is a workaround because | %% riak_core_gossip:remove_from_cluster doesn't check if | %% the result of subtracting the current node from the | %% cluster member list results in the empty list. When | %% that code gets refactored this can probably go away. 0..| io:format("Leave failed, this node is the only member.~n"), 0..| error; | Res -> 0..| io:format(" ~p\n", [Res]) | catch | Exception:Reason -> 0..| lager:error("Leave failed ~p:~p", [Exception, Reason]), 0..| io:format("Leave failed, see log for details~n"), 0..| error | end. | | -spec(ringready([]) -> ok | error). | ringready([]) -> 0..| try riak_core_status:ringready() of | {ok, Nodes} -> 0..| io:format("TRUE All nodes agree on the ring ~p\n", [Nodes]); | {error, {different_owners, N1, N2}} -> 0..| io:format("FALSE Node ~p and ~p list different partition owners\n", | [N1, N2]), 0..| error; | {error, {nodes_down, Down}} -> 0..| io:format("FALSE ~p down. All nodes need to be up to check.\n", | [Down]), 0..| error | catch | Exception:Reason -> 0..| lager:error("Ringready failed ~p:~p", [Exception, Reason]), 0..| io:format("Ringready failed, see log for details~n"), 0..| error | end.


helma.Group.GroupObject
Object
|
+--helma.Group.GroupObject
This class wraps the java GroupObject
and provides several methods for retrieving and manipulating properties.
Defined in Group.js
helma.Group.GroupObject
helma.Group.GroupObject(javaGroupObject)
Constructs a new helma.Group.GroupObject.
Parameters:
Instance
- of helma.extensions.helmagroups.GroupObject
DEFAULT_GET
<static> Object DEFAULT_GET
GET_ABS_MAJORITY
<static> Object GET_ABS_MAJORITY
GET_ALL
<static> Object GET_ALL
GET_FIRST
<static> Object GET_FIRST
Static properties of GroupObject constructor function.
These values determine if and for how many confirmation of the
group members this instance waits after a modification.
These values are passed through to org.jgroups.blocks.GroupRequest,
for further comments see the sourcecode of that class
GET_MAJORITY
<static> Object GET_MAJORITY
GET_NONE
<static> Object GET_NONE
Documentation generated by
JSDoc on Thu Jul 19 01:13:37 2007


Hello!
How many times a day do you brush your teeth?
Which is your favorite season?
Which shape do you prefer?
Choose a mythical creature:
Which Hogwart's house do you belong to?
, you might like to learn !


This screen contains options to manage character-separated files. The software uses a database internally but it can be convenient for users to store backups of their data in CSV files.
If you wish to make a backup copy of your metadata or if you want to submit your data to be published on the Bioimages website, you can click the Export button. There is a checkbox and the default state of being checked will result in only changes that you have made locally on your computer will be exported. This is a safe choice and and work you have done will be in the resulting CSV files. You can also uncheck the box and the entire Bioimages database will be exported to CSV files. Most users will not have use for this. Columns in the exported files will be character-delimited by the pipe (|) character.
If you have exported your work several times and possibly on several different computers you may wish to combine those CSV files to reduce clutter. This option performs that function.
First select a group of CSV files that you would like to merge other files into. Then select a second group of CSV files whose content you would like to merge into the first files. This second group can have multiple versions of the same sort of file, for example multiple images.csv files. The names of the files do not actually matter since the first line of each CSV is read the column headers and determine what type of CSV it is. So it is perfectly fine in the second group to select both images-from-work-computer.csv and images-from-laptop.csv and the software will figure out how to merge them all properly.
There are two categories of CSV files that you can import into the database. The first category consists of CSV files that correspond directly to tables in the database. These include agents.csv, determinations.csv, images.csv, names.csv, organisms.csv and sensu.csv. Rows in these CSV files directly correspond to records in the database and contain exactly the same fields.
The second category consists of CSV files that contain two columns: one column contains an identifier and the other contains a value for some field. Importing this type of CSV is an easy way to load in large amounts of data that you gathered together elsewhere. For example, you may have a CSV file containing GPS coordinates in one column and the corresponding image filename in the other column. Importing this way will be much faster than copying and pasting by hand for every set of coordinates. However, it should be noted that for this second category of CSV files you can only import records whose filename or identifier already exists in the databaes. So if you try to import coordinates for filename abaca853.jpg but no such image exists within the database, those coordinates will not be imported. This contrasts wih the first category which will import records even if they do not exist yet.
There are several options for importing two-column CSVs. If you are importing data using an image's filename then you should be aware that if that filename is not unique within the database then data will not be imported for it. Another thing to watch out for is that if your CSV file does not have a header row then uncheck 'CSV contains header row' or else you will lose that first row of data. The column separator field defaults to a pipe character (|) but if your CSV file uses a different character to separate columns you can change it. If the columns are separated by tabs then enter \t into the 'Column separator' box. Lastly, there is a dropdown box titled 'Non-identifier field'. This just refers to the other column of data that you are trying to import into the database. Select the field you would like to import into and then click 'Select and import 2-column CSVs'.


Manchester City 'join the race for Reinier'
Manchester City have reportedly joined the hunt for Flamengo attacker Reinier.
by Matt LawThe 17-year-old, who has scored four times and contributed two assists in 12 appearances for his Brazilian club this season, is believed to be on the radar of a number of European clubs.
Indeed, Barcelona, Chelsea, Real Madrid, Atletico Madrid and Paris Saint-Germain have all recently been credited with an interest in the attacker.
Meanwhile, Arsenal are said to have made contact with the in-demand teenager's father in the hope of stealing a march on their rivals.
According to Mundo Deportivo, City are also now weighing up a swoop for Reinier with the Premier League champions being alerted to his progress since breaking into the Flamengo first team.
Reinier, who has scored five times in 10 appearances for Brazil's Under-17 side, is believed to have a £60m release clause inserted into his current deal.
body check tags ::


Hello There!
I discovered my passion for design when I was a sophomore in High School; It was then when it became clear what I wanted to do for a living. I pursued my career at the amazing Valencia College where I started my major in Print Design. A year later I took a begginer’s Web class, where I discovered the love for code. After that, I switched my major to Interactive Design and started the never-ending journey of becoming a web developer along with sharpening my eye for design.
- Birthdate : 09/11/1990
- Skype : my.username
- Phone : + 123-456-789-426
- Email<EMAIL_ADDRESS>- Website : www.creativedomain.com
- Addresses : Collins Street West Victoria 8007 Australia
Web Developer
Web Designer
Web Marketer
Web Tester
Education
-
2011 - 2013
Bachelor of Science in Computer Science
International UniversityLorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incidiei dunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud
-
2008 - 2011
Computer Processing Systems/Computer Software
Longford TechLorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incidiei dunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud
Experience
-
2018 - Present
Software Developer
River TechLorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incidiei dunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud
-
2016 - 2018
Web Designer
Retail OceanLorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incidiei dunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud
-
2014 - 2016
Web Marketing
Proper TeamLorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incidiei dunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud
-
2013 - 2014
Web Tester
Ota GroupLorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incidiei dunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud
Skills
CSS
HTML
PHP
Flutter
ROR
Elixir
Git
Mysql
Soft Skills
-
Problem Solving 100%
-
Creativity 90%
-
Time Management 80%
-
Team Work 90%
Language
-
English 100%
-
French 70%
-
Chinese 80%
Awards
-
2018 - 2019
Top 10 Web Developer
Ota GroupLorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incidiei dunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud
-
2015 - 2016
Top 5 LeaderShip Exellence Winner
Proper TeamLorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incidiei dunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud
-
2012 - 2015
Top 4 Web Tester
Rival OceanLorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incidiei dunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud
My Works
Pricing
Front-End Developer
- HTML5
- CSS3
- Angular jS
- Vue jS
- React jS
Back-End Developer
- Ruby on Rails
- Laravel
- Go
- Node Js
- Phoenix Elixir
Full-Stact Developer
- Included Front-End Developer
- Included Back-End Developer
Testimonial
-
Nice Design
For the first time I see such high-quality work, everything is just fine. The design is incredible, a lot of features and ready-made solutions.Ben Envato User -
Top Expectation
For the first time I see such high-quality work, everything is just fine. The design is incredible, a lot of features and ready-made solutions.Ben Envato User -
Wonderfull Work
For the first time I see such high-quality work, everything is just fine. The design is incredible, a lot of features and ready-made solutions.Ben Envato User
Clients
Get in touch
Feel free to contact me
-<EMAIL_ADDRESS>- +62-123-123-213
- Lamda Street West Cibinong 8027 Bogor


The number of dislike affects the number of subscriber. Pearson Chi Square is 0,001.
View - Subs
The number of view affects the number of subscriber. Pearson Chi Square is 0,014.
Positive Comment - Subs
The number of view affects the number of subscriber. Pearson Chi Square is 0,000.
Analyze Sentiment Youtube Comment
This Application can analyze Youtube comment. You can input your file and submit.
{% if classification_result is defined %}
Count Positive
Count Negative
Accuracy (%)
{% endif %}
Data Train Positive
Data Train Negative
Data Stopword
Meliyana Rahayu Yoanita
I am student of Ma Chung University. My final tasks related to the analysis of sentiment. In this research I am using text minning, text algorithms naive bayes and chi square. The purpose of this study to find out the factors affecting the increasing number of subscribers. In addition to facilitate the classification of negative and positive comments.


This is for visualizing some code that simplifies a boolean condition tree. It currently only implements one simplification - the flattening of conditions from nested AND operations. The visualization is implemented using a D3 Tree Layout.
The code being visualized is located in vdd-core-examples/src/boolean_logic_simplifiers/
. The visualization code is in vdd-core-examples/viz/boolean_logic_simplifiers/
.


I am passionate about solving problems that people have through technology assisted approach
I enjoy writing in Java Script and using databases such as MySQL
Hit me up with a convo on e-mail<EMAIL_ADDRESS>and be sure to visit my GitHub repo


EILIndoorLocationManager Class Reference
| Inherits from | NSObject |
| Declared in | EILIndoorLocationManager.h EILIndoorLocationManager.m |
Tasks
Other Methods
Indoor Location Monitoring
-
– startMonitoringForLocation:
-
– stopMonitoringForLocation:
-
monitoredLocations
property -
– stateForLocation:
-
– stateForLocationWithIdentifier:
Indoor Location Position Updates
Properties
delegate
The delegate object to receive position update events.
@property (nonatomic, weak, nullable) id<EILIndoorLocationManagerDelegate> delegate
Declared In
EILIndoorLocationManager.h
isRunning
Informs whether Indoor Location Manager
is currently running.
@property (nonatomic, assign, readonly) BOOL isRunning
Declared In
EILIndoorLocationManager.h
mode
Mode of EILIndoorLocationManager
position updates delivery.
@property (nonatomic, assign) EILIndoorLocationManagerMode mode
Discussion
Default mode of EILIndoorLocationManager
is EILIndoorLocationManagerModeNormal
.
Switching mode while delivery of position updates is in progress will effectively restart position updates with new mode.
See Also
Declared In
EILIndoorLocationManager.h
monitoredLocations
The set of all monitored Indoor Location
s.
@property (nonatomic, strong, readonly) NSSet<EILLocation*> *monitoredLocations
Declared In
EILIndoorLocationManager.h
provideOrientationForLightMode
Enables orientation when position updates.
@property (nonatomic, assign) BOOL provideOrientationForLightMode
Discussion
Default mode of EILIndoorLocationManager
is enabled.
Switching mode while delivery of position updates is in progress will effectively restart position updates with new mode.
Declared In
EILIndoorLocationManager.h
Class Methods
supportedModes
Supported modes (EILIndoorLocationManagerMode
) for the device.
+ (NSArray<NSNumber*> *)supportedModes
Return Value
An array of supported modes (EILIndoorLocationManagerMode
) encoded as NSNumber *
objects.
Declared In
EILIndoorLocationManager.h
Instance Methods
start
Starts Indoor Location Manager
.
- (void)start
Discussion
Starting Indoor Location Manager
early allows it to warm-up and later on deliver without delay Indoor Location
status change and position updates.
Declared In
EILIndoorLocationManager.h
startMonitoringForLocation:
Starts monitoring the specified Indoor Location
allowing you determine if you are inside or outside monitored location.
- (void)startMonitoringForLocation:(EILLocation *)location
Parameters
- location
The
Indoor Location
object that defines the boundary to monitor. This parameter must not benil.
Discussion
The current state, i.e., inside/outside, is available on-demand, by calling the stateForLocation:
method.
If the Indoor Location Manager
is not started this method will start it.
Starting monitoring for Indoor Location
early allows position updates to be delivered without delay later on.
Starting monitoring for a location already monitored will do nothing.
See Also
Declared In
EILIndoorLocationManager.h
startPositionUpdatesForLocation:
Starts the delivery of position updates for the specified location.
- (void)startPositionUpdatesForLocation:(EILLocation *)location
Parameters
- location
The location.
Discussion
If the Indoor Location Manager
is not started invoking this method will start it.
Only one location is supported at the same time. Calling this method without previously stopping position updates will have no effect.
Calling this method without calling start startMonitoringForLocation:
will result in approximately 6 s delay before first position updates are provided. Starting monitoring earlier will reduce this time by the amount of time monitoring was running.
Declared In
EILIndoorLocationManager.h
stateForLocation:
Determines state for the monitored location.
- (EILLocationState)stateForLocation:(EILLocation *)location
Parameters
- location
An
EILLocation
object for which state should be determined.
Return Value
State in which the monitored location is.
Discussion
If the location is not monitored EILLocationStateUnknown
will be returned.
Declared In
EILIndoorLocationManager.h
stateForLocationWithIdentifier:
Determines state for the monitored location identified by its identifier.
- (EILLocationState)stateForLocationWithIdentifier:(NSString *)locationIdentifier
Parameters
- locationIdentifier
An identifier of the location for which state should be determined.
Return Value
State in which the monitored location is.
Discussion
Each location saved in Estimote Cloud is given a unique string identifier that corresponds to the identifier
property of EILLocation
. You can find it on cloud.estimote.com, on the “Locations” screen, and use it with the Indoor SDK to, among other things, fetch your stored location from Estimote Cloud.
If the location is not monitored EILLocationStateUnknown
will be returned.
Declared In
EILIndoorLocationManager.h
stop
Completely stops Indoor Location Manager
.
- (void)stop
Discussion
Invoking this method will stop all Indoor Location
monitoring and position updates.
Declared In
EILIndoorLocationManager.h
stopMonitoringForLocation:
Stops monitoring the specified Indoor Location
.
- (void)stopMonitoringForLocation:(EILLocation *)location
Parameters
- location
The
Indoor Location
object currently being monitored. This parameter must not benil
. The object you specify need not be the exact same object that you registered, but its identifier or name should be the same.
See Also
Declared In
EILIndoorLocationManager.h


We need a new language for logical expressions, since we don't have all the nice characters (like upside-down A) that we would like to use. We will allow an infix format for input, and manipulate a Lisp-like prefix format internally. Here is a description of the formats (compare to [p 167, 187]). The prefix notation is a subset of the KIF 3.0 Knowledge Interchange Format.
Infix Prefix Meaning Alternate Infix Notation ========== ====== =========== ======================== ~P (not P) negation not P P ^ Q (and P Q) conjunction P and Q P | Q (or P Q) disjunction P or Q P => Q (=> P Q) implication P <=> Q (<=> P Q) logical equivalence P(x) (P x) predicate Q(x,y) (Q x y) predicate with multiple arguments f(x) (f x) function f(x)=3 (= (f x) 3) equality forall(x,P(x) (forall (x) (P x)) universal quantification exists(x,P(x) (exists (x) (P x)) existential quantification [a,b] (listof a b) list of elements {a,b} (setof a b) mathematical set of elements true true the true logical constant false false the false logical constantYou can also use the usual operators for mathematical notation: +, -, *, / for arithmetic, and &;lt;, >, <=, >= for comparison. Many of the functions we define also accept strings as input, interpreting them as infix expressions, so the following are equivalent:
(tell kb "P=>Q") (tell kb '(=> P Q))


Learn the complete process! Step-by-step music production lessons, starting with chord writing, sound design, start to finish production sessions and finishing with mixing and mastering lessons. Watch at your own pace. One time payment, lifetime access.


Grab a drink & get connected.
Wifi: username / password
| This presentation | http://bit.ly/CnCOctSlides |
| The worksheet | http://bit.ly/CnCOctWork |
| Install the Tools | http://bit.ly/CnCTheTools |
Program Director
Curriculum Director
Mentor Director
Presentation Director
Single Page Application
Single index.html page
Dynamically updates the page
based on user interaction
Better User Experience
Different HTML pages (files)
Each URL serves up a different page
Files might share/import resources
You use them everyday
Every URL updates a portion of the page
Obvious: Pages with scrollable sections
Less obvious: The URL changes but it's still served from a single index.html file
More app-like: Behaves more like an app on your PC or phone
Asynchronous JavaScript and JSON (or XML)
Data is exchanged between browser and server in the background
Requires JavaScript to be enabled in the browser (like SPAs in general)
SPAs require the brower to retain a single page
even when you need server communication
Python (sync)
import requests
r = requests.get('https://api.github.com/events')
print(r.text)
print("I come after the request")
JavaScript (async): use xhttp or fetch
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() { ... };
xhttp.open("GET", "https://api.github.com/events", true);
xhttp.send();
console.log('I come after the request');
Anyone browsing without JavaScript enabled will not get all the functionality
Search Engine Optimization (SEO)
A data or JavaScript error can mean
you have no content for bots to crawl!
Workarounds:
- direct bots to prerendered content
Make reusable pieces (components) that can be accessed across page
Make custom HTML elements with their own HTML tags & styles/scripting.
<order-form></order-form>
Most SPA frameworks/libraries include routing functionality
Routing allows navigation from one view to another. These are "virtual pages"...
http://www.example.com/about
http://www.example.com/#/about
HTML5 History API
for back and forward buttons
www.kashi.com/our-foods
A framework and then some: could include CLI tools, bundles of libraries, virtual environments, language packs, or more.
Libraries be like...
"Here's my number... so call me, maybe?"
Frameworks be like...
"Don't call me, I'll call you"
Another drink?
Wifi: username / password
| This presentation | http://bit.ly/CnCOctSlides |
| The worksheet | http://bit.ly/CnCOctWork |
| Install the Tools | http://bit.ly/CnCTheTools |
CLI helps scaffold our project quickly
Angular is very opinionated
so this reduces architectural decisions
Good documentation
Angular.js -> Angular 2 -> Angular (v4.4.4)
Made by Microsoft
.ts file extensions instead of .js
Compiles into JavaScript
Makes writing JavaScript easier
Can write JavaScript in a TypeScript file
(but not the other way around!)
JavaScript is loosely typed
a variable's value is flexible
var drink = "Tom Collins";
drink = 3;
TypeScript provides static "types"
(number, string, boolean, etc)
for JavaScript
var drink = "Mojito";
a variable's value is enforced
drink = true; //ERROR!
a Typescript example with correct type
a Typescript example with incorrect type
Hover over the underlined `cocktail`
to see error message
Check out the documentation here
CLI does things the "right" way
according to Angular style guide
Install via npm
npm install -g angular-cli
Create a new project
ng new PROJECT-NAME-HERE --routing
Serve your project
(so we can see it in the browser)
ng serve
Scaffold components, services, directives, etc.
Component
ng generate component MY-NEW-COMPONENT
ng g component MY-NEW-COMPONENT
Service
ng g service MY-NEW-SERVICE
Build: create dist directory w/ build artifacts
ng build
Install angular-cli-ghpages (one time only)
npm install -g angular-cli-ghpages
Build to your GitHub repo
ng build --prod --base-href "https://yourusername.github.io/reponame/"
And deploy!
angular-cli-ghpages
Modules
Components
Routing
Templates
Data Binding
Directives
Services
Organizes your app into
related sections of functionality
Root module is the very top
small apps only need one
Larger apps may have feature modules - each related to specific workflow/capabilities
Every app has at least one root
Application is a tree of components
Each component contains:
template, data, behavior
<app-quiz></app-quiz>
@Component({
selector: 'app-quiz',
templateUrl: './quiz.component.html',
styleUrls: ['./quiz.component.css']
})
"Hooks" are events that signal a change in the component's lifecycle
Main lifecycle hook is ngOnInit
Read more here
Tells your application what to display for a URL
Main homepage route is '/'
Angular CLI adds the homepage route
...but we have to add the other routes
Other route examples:
'/about' or '/profile/:username'
View more on routing here
import { NgModule } from '@angular/core';
import { Routes, RouterModule } from '@angular/router';
import { UserProfileComponent } from './profile/profile.component';
import { AllMeetupsComponent } from './meetups/meetups.component';
import { LocalMeetupsComponent } from './local/local.component';
import { HomeComponent } from './home/home.component';
import { PageNotFoundComponent } from './404/404.component';
const routes: Routes = [
{ path: 'profile/:username', component: UserProfileComponent },
{ path: 'meetups', component: AllMeetupsComponent},
{
path: 'meetups-local',
component: LocalMeetupsComponent,
data: { zipcode: 64155 }
},
{ path: '', component: HomeComponent },
{ path: '**', component: PageNotFoundComponent }
];
@NgModule({
imports: [RouterModule.forRoot(routes)],
exports: [RouterModule]
})
export class AppRoutingModule { }
Use routerLink in HTML to navigate to a route
Contact Page
Add a class when the link is active
Contact Page
Navigate in JavaScript (TypeScript)
this.router.navigate(['/profile', user.name]);
SwitchMap gets ahold of variables from the URL
profile/:username
Cannot use:


--- layout: post title: ACF Nationals 2013 Summary date: 2013-06-14 16:39:17.000000000 -05:00 type: post parent_id: '0' published: true password: '' status: publish categories: [] tags: [] meta: _edit_last: '6536415' _publicize_job_id: '27284430942' author: login: bwordsworth email<EMAIL_ADDRESS>display_name: bwordsworth first_name: '' last_name: '' permalink: "/2013/06/14/acf-nationals-2013-summary/" ---
On the 27th and 28th of April, 2013, 36 teams gathered on the Columbia University campus to play ACF Nationals. Illinois A (Ike Jose, Billy Busse, Austin Listerud, Aaron Rosenberg) held off Yale (Grace Liu, Matt Jackson, Kevin Koai, Ashvin Srivatsa) in the second leg of an advantaged final. Though a superstar performance by Grace catapulted Yale over Illinois in the first game, 330-135, Illinois then turned around and stopped the New Havenites in their tracks, 400-105. Michigan, Penn A, Virginia, Maryland, Chicago A, Georgia Tech, Chicago B, Harvard, Alberta, and Minnesota rounded out the rest of the top bracket. Chicago B (Daichi Ueda, Charles Tian, Ben Gammage, Ben Chametzky) won two in a row, 185-175, 190-160, against Harvard (Stephen Liu, Mark Arildsen, David Liu, Sriram Pendyala) to capture the Undergraduate championship.
Illinois B (Andrew Wang) beat Chicago D (Kay Li, Michael Coates, James Kiselik) 135-120 in the Division II final.
The top eight individual prelim scorers were John Lawrence (UCL), Andrew Hart (Minnesota), Matt Bollinger (UVa), Ike Jose (Illinois), Matt Jackson (Yale), Eric Mukherjee (Penn), Henry Gorman (Rice), and Chris Ray (Maryland).
Undergraduates Stephen Liu (Harvard), Sean Smiley (VCU), Jasper Lee (OSU), and Shan Kothari (MSU) earned scoring honors, as did Division II players Richard Yu (WUSTL), Adam Silverman (Georgia Tech), Andrew Wang (Illinois B), and Benji Nguyen (Stanford).
Division II players who made the championship bracket include: Austin Listerud (Illinois A), Grace Liu (Yale), Saajid Moyen (Penn), Patrick Liao (Penn), Tommy Casalaspi (UVa), Daniel Hothem (UVa), Chris Manners (Maryland), Brian McPeak (Maryland), Arun Chonai (Maryland), Adam Silverman (Georgia Tech), Adam Covington (Georgia Tech), Ben Chametzky (Chicago B), Mark Arildsen (Harvard), David Liu (Harvard), Sriram Pendyala (Harvard), Igor Kasic (Alberta), and Rishi Nair (Alberta).
Congratulations to Illinois A, Illinois B, and Chicago B on their championships, and thanks to everyone for coming!
Check out this youtube channel for some videos of Jerry Vinokurov reading for teams at Nationals.


Appearance
Ritchie has brown hair and blue eyes.


Merging Minds - Distributed Belief Revision in Polyglot Multi-Agent Systems
TBD
TBD
#### Agenda
* Intuition
* Formal Perspective
* Engineering Perspective
* ToDos: Engineering
* ToDos: Formal Work
#### Intuition I
* Distributed multi-agent system
* Example: central JaCaMo MAS, single-agent JS-son clients
* Mind of some agents is distributed (*e.g.*, partly on server, partly on client)
* Main belief base as part of the agent's mind
* Belief proposal base as part of the central MAS
* How to sync the belief bases?
* Engineering and formal belief revision perspectives
Intuition II
#### Formal Perspectives I - Belief Proposal Base
* "Trivial", objective conflict resolution managed centrally
* Given belief base as set $BB$, attacks relations are partial order on $BB \times BB$ (and excluding self-attacks)
* Construct as argumentation framework, resolve with "any" argumentation semantics (*i.e.*, grounded)
Formal Perspectives II - Belief Proposal Base
#### Formal Perspectives III - Belief Base
* Subjective conflict resolution that is up to an individual agent
* Less constraints on attack relations
* Enforce "rationality" (relaxed monotony) properties
Formal Perspectives IV - Belief Base
Formal Perspectives V - Belief Base
Engineering Perspective
#### Engineering ToDos
* Starting point provided [here](./https://github.com/jacamo-lang/jacamo-rest/tree/jacamo-rest-0.6/examples/js-son-integration)
* Improve belief base interface of jacamo-rest
* Allow subscribing to an agent minds in jacamo-rest
* Implement JS-son belief revision support as explicit part of the reasoning-loop
* Implement/update running example
* Implement argumentation-based belief revision capabilities (as part of example)
#### Formal Work ToDos
* Rough intuition exists
* Establish "formal novelty" of work
* Define exact formal models (adjustments of previous theoretical research results)
Questions?
Contact me at<EMAIL_ADDRESS>*This work was partially supported by the Wallenberg AI, Autonomous Systems and Software Program (WASP) funded by the Knut and Alice Wallenberg Foundation.*


|
My Project
|
Set the scissor box to apply to the command list. More...
#include <scissor_command.hpp>
Public Member Functions | |
| virtual | ~scissor_command () |
| void | accept (graphics_visitor &visitor) override |
| Accept a graphics_visitor object. Invoke this command using the graphics_visitor. More... | |
| scissor_command & | set_rectangle (int x, int y, int width, int height) |
| Set the rectangle of the scissor box in window coordinates. More... | |
| scissor_command & | set_rectangle (const rectangle &rectangle) |
| Set the rectangle of the scissor box in window coordinates. More... | |
| Public Member Functions inherited from moka::graphics_command | |
| virtual | ~graphics_command ()=default |
Public Attributes | |
| int | width = 0 |
| int | height = 0 |
| int | x = 0 |
| int | y = 0 |
Set the scissor box to apply to the command list.
|
virtual |
|
overridevirtual |
Accept a graphics_visitor object. Invoke this command using the graphics_visitor.
| visitor | A graphics_visitor object. |
Implements moka::graphics_command.
| scissor_command& moka::scissor_command::set_rectangle | ( | int | x, |
| int | y, | ||
| int | width, | ||
| int | height | ||
| ) |
Set the rectangle of the scissor box in window coordinates.
| x | The x position of the lower left corner of the scissor box. Initially 0. |
| y | The y position of the lower left corner of the scissor box. Initially 0. |
| width | The width of the scissor box. |
| height | The height of the scissor box. |
| scissor_command& moka::scissor_command::set_rectangle | ( | const rectangle & | rectangle | ) |
Set the rectangle of the scissor box in window coordinates.
| rectangle | A rectangle defining the scissor box in window coordinates. The x and y components specify the lower left corner of the box. The width and height specify the width and height of the box. |
| int moka::scissor_command::height = 0 |
The height of the scissor box.
| int moka::scissor_command::width = 0 |
The width of the scissor box.
| int moka::scissor_command::x = 0 |
The x position of the lower left corner of the scissor box. Initially 0.
| int moka::scissor_command::y = 0 |
The y position of the lower left corner of the scissor box. Initially 0.


Question Validator
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qiskit.providers.aer.noise.utils.noise_transformation module¶
Noise transformation module
The goal of this module is to transform one 1-qubit noise channel (given by the QuantumError class) into another, built from specified “building blocks” (given as Kraus matrices) such that the new channel is as close as possible to the original one in the Hilber-Schmidt metric.
For a typical use case, consider a simulator for circuits built from the Clifford group. Computations on such circuits can be simulated at polynomial time and space, but not all noise channels can be used in such a simulation. To enable noisy Clifford simulation one can transform the given noise channel into the closest one, Hilbert-Schmidt wise, that can be used in a Clifford simulator.
-
class
NoiseTransformer
[source]¶ Bases:
object
Transforms one quantum channel to another based on a specified criteria.
-
channel_matrix_representation
(operators)[source]¶ We convert the operators to a matrix by applying the channel to the four basis elements of the 2x2 matrix space representing density operators; this is standard linear algebra
Parameters: operators (list) – The list of operators to transform into a Matrix Returns: The matrx representation of the operators Return type: sympy.Matrix
-
compute_P
(As)[source]¶ This method creates the matrix P in the f(x) = 1/2(x*P*x)+q*x representation of the objective function :param As: list of symbolic matrices repersenting the channel matrices :type As: list
Returns: The matrix P for the description of the quadaric program Return type: matrix
-
static
compute_channel_operation
(rho, operators)[source]¶ Given a quantum state’s density function rho, the effect of the channel on this state is: rho -> sum_{i=1}^n E_i * rho * E_i^dagger
Parameters: - rho (number) – Density function
- operators (list) – List of operators
Returns: The result of applying the list of operators
Return type: number
-
compute_q
(As, C)[source]¶ This method creates the vector q for the f(x) = 1/2(x*P*x)+q*x representation of the objective function :param As: list of symbolic matrices repersenting the quadratic program :type As: list :param C: matrix representing the the constant channel matrix :type C: matrix
Returns: The vector q for the description of the quadaric program Return type: list
-
static
flatten_matrix
(m)[source]¶ Parameters: m (Matrix) – The matrix to flatten Returns: A row vector repesenting the flattened matrix Return type: list
-
generate_channel_matrices
(transform_channel_operators_list)[source]¶ Generates a list of 4x4 symbolic matrices describing the channel defined from the given operators
Parameters: - transform_channel_operators_list (list) – A list of tuples of matrices which represent
- operators. (Kraus) –
- identity matrix is assumed to be the first element in the list (The) –
- [ (I, ), (|0><0|, |0><1|), |1><0|, |1><1|) –
- for a Pauli channel, the matrices are (e.g.) –
- [ –
- relaxation they are (for) –
- [ –
We consider this input to symbolically represent a channel in the following manner: define indeterminates x0, x1, …, xn which are meant to represent probabilities such that xi >=0 and x0 = 1-(x1 + … + xn) Now consider the quantum channel defined via the Kraus operators {sqrt(x0)I, sqrt(x1)A1, sqrt(x1)B1, …, sqrt(xn)An, sqrt(xn)Bn, …} This is the channel C symbolically represented by the operators
Returns: A list of 4x4 complex matrices ([D1, D2, …, Dn], E) such that: The matrix x1*D1 + … + xn*Dn + E represents the operation of the channel C on the density operator. we find it easier to work with this representation of C when performing the combinatorial optimization. Return type: list
-
generate_channel_quadratic_programming_matrices
(channel, symbols)[source]¶ Parameters: - channel (Matrix) – a 4x4 symbolic matrix
- symbols (list) – the symbols x1, …, xn which may occur in the matrix
Returns: A list of 4x4 complex matrices ([D1, D2, …, Dn], E) such that: channel == x1*D1 + … + xn*Dn + E
Return type: list
-
static
get_const_matrix_from_channel
(channel, symbols)[source]¶ Extract the numeric constant matrix.
Parameters: - channel (matrix) – a 4x4 symbolic matrix.
- symbols (list) – The full list [x1, …, xn] of symbols used in the matrix.
Returns: a 4x4 numeric matrix.
Return type: matrix
Each entry of the 4x4 symbolic input channel matrix is assumed to be a polynomial of the form a1x1 + … + anxn + c. The corresponding entry in the output numeric matrix is c.
-
static
get_matrix_from_channel
(channel, symbol)[source]¶ Extract the numeric parameter matrix.
Parameters: - channel (matrix) – a 4x4 symbolic matrix.
- symbol (list) – a symbol xi
Returns: a 4x4 numeric matrix.
Return type: matrix
Each entry of the 4x4 symbolic input channel matrix is assumed to be a polynomial of the form a1x1 + … + anxn + c. The corresponding entry in the output numeric matrix is ai.
-
operator_circuit
(operator)[source]¶ Converts an operator representation to noise circuit :param operator: operator representation. Can be a noise
circuit or a matrix or a list of matrices.Returns: The operator, converted to noise circuit representation. Return type: List
-
operator_matrix
(operator)[source]¶ Converts an operator representation to Kraus matrix representation
Parameters: operator (operator) – operator representation. Can be a noise circuit or a matrix or a list of matrices. Returns: the operator, converted to Kraus representation. Return type: Kraus
-
static
prepare_channel_operator_list
(ops_list)[source]¶ Prepares a list of channel operators :param ops_list: The list of operators to prepare :type ops_list: List
Returns: The channel operator list Return type: List
-
prepare_honesty_constraint
(transform_channel_operators_list)[source]¶ Prepares the honesty constraint
Parameters: - transform_channel_operators_list (list) – A list of tuples of matrices which represent
- operators. (Kraus) –
-
solve_quadratic_program
(P, q)[source]¶ This function solved the quadratic program to minimize the objective function f(x) = 1/2(x*P*x)+q*x subject to the additional constraints Gx <= h
Where P, q are given and G,h are computed to ensure that x represents a probability vector and subject to honesty constraints if required :param P: A matrix representing the P component of the objective function :type P: matrix :param q: A vector representing the q component of the objective function :type q: list
Returns: The solution of the quadratic program (represents probabilites) Return type: list Raises: ImportError
– If cvxopt external module is not installedThis method is the only place in the code where we rely on the cvxopt library should we consider another library, only this method needs to change
-
transform_by_given_channel
(channel_matrices, const_channel_matrix)[source]¶ This method creates objective function representing the Hilbert-Schmidt norm of the matrix (A-B) obtained as the difference of the input noise channel and the output channel we wish to determine.
This function is represented by a matrix P and a vector q, such that f(x) = 1/2(x*P*x)+q*x where x is the vector we wish to minimize, where x represents probabilities for the noise operators that construct the output channel
Parameters: - channel_matrices (list) – A list of 4x4 symbolic matrices
- const_channel_matrix (matrix) – a 4x4 constant matrix
Returns: a list of the optimal probabilities for the channel matrices, determined by the quadratic program solver
Return type: list
-
transform_by_operator_list
(transform_channel_operators, noise_kraus_operators)[source]¶ Parameters: - noise_kraus_operators (List) – a list of matrices (Kraus operators) for the input channel
- transform_channel_operators (List) – a list of matrices or tuples of matrices representing Kraus operators that can construct the output channel e.g. [X,Y,Z] represent the Pauli channel and [(|0><0|, |0><1|), |1><0|, |1><1|)] represents the relaxation channel
Returns: - A list of amplitudes that define the output channel.
In the case the input is a list [A1, A2, …, An] of transform matrices and [E0, E1, …, Em] of noise kraus operators, the output is a list [p1, p2, …, pn] of probabilities such that: 1) p_i >= 0 2) p1 + … + pn <= 1 3) [sqrt(p1)A1, sqrt(p2)A2, …, sqrt(pn)An, sqrt(1-(p1 + … + pn))I] is
a list of kraus operators that define the output channel (which is “close” to the input chanel given by [E0, …, Em])
This channel can be thought of as choosing the operator Ai in probability pi and applying this operator to the quantum state.
More generally, if the input is a list of tuples (not neccesarily of the same size): [(A1, B1, …), (A2, B2, …), … (An, Bn, …)] then the output is still a list [p1, p2, …, pn] and now the output channel is defined by theo perators: [sqrt(p1)A1, sqrt(p1)B1, …, sqrt(pn)An, sqrt(pn)Bn, …, sqrt(1-(p1 + … + pn))I]
Return type:
-
-
approximate_noise_model
(model, *, operator_string=None, operator_dict=None, operator_list=None)[source]¶ Return an approximate noise model.
Parameters: - model (NoiseModel) – the noise model to be approximated.
- operator_string (string or None) – a name for a premade set of building blocks for the output channel (Default: None).
- operator_dict (dict or None) – a dictionary whose values are the building blocks for the output channel (Default: None).
- operator_list (dict or None) – list of building blocks for the output channel (Default: None).
Returns: the approximate noise model.
Return type: Raises: NoiseError
– if number of qubits is not supported or approximationfailsed.
The operator input precedence is as follows: list < dict < string if a string is given, dict is overwritten; if a dict is given, list is overwritten possible values for string are ‘pauli’, ‘reset’, ‘clifford’ For further information see NoiseTransformer.named_operators.
-
approximate_quantum_error
(error, *, operator_string=None, operator_dict=None, operator_list=None)[source]¶ Return an approximate QuantumError bases on the Hilbert-Schmidt metric.
Currently this is only implemented for 1-qubit QuantumErrors.
Parameters: - error (QuantumError) – the error to be approximated.
- operator_string (string or None) – a name for a premade set of building blocks for the output channel (Default: None).
- operator_dict (dict or None) – a dictionary whose values are the building blocks for the output channel (Default: None).
- operator_list (dict or None) – list of building blocks for the output channel (Default: None).
Returns: the approximate quantum error.
Return type: Raises: NoiseError
– if number of qubits is not supported or approximation failsed.RuntimeError
– If there’s no information about the noise type
The operator input precedence is as follows: list < dict < string if a string is given, dict is overwritten; if a dict is given, list is overwritten possible values for string are ‘pauli’, ‘reset’, ‘clifford’ For further information see NoiseTransformer.named_operators.


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|
BeOS Sample Code: OpenGL®
The BeOS uses the industry-standard OpenGL API from within its GUI architecture to implement
high-performance 3D graphics.
For more information, see the corresponding category in the online
Developer Library.
Projects
| 3Dlife | Implements the game of Life (the computer model, not the
board game!) in 3D. |
| 3Dlife-Voodoo | Based on the above Life demo, but with support for hardware-accelerated
OpenGL on computers with appropriate 3dfx-based hardware. |
| GLTeapot | This implementation of the classic OpenGL "teapot" example
also measures graphics performance in frames per second. |
| GLTeapot-Voodoo | Based on the above Teapot demo, but with support for hardware-accelerated
OpenGL on computers with appropriate 3dfx-based hardware. |
Back to the Sample Code Category Index
BeOS Release 4.5
Copyright © 1999 Be, Inc.
|


TSelf
- Concrete type of the EventFieldInfoBuilder
TEventFieldInfo
- Concrete type of the EventFieldInfo
to be createdTEventInfoBuilder
- Concrete type of the EventInfoBuilder
used by this builderEthereumContractInfoBuilder.EthereumEventFieldInfoBuilder
, FabricContractInfoBuilder.FabricEventFieldInfoBuilder
public abstract class EventFieldInfoBuilder<TSelf extends EventFieldInfoBuilder<TSelf,TEventFieldInfo,TEventInfoBuilder>,TEventFieldInfo extends EventFieldInfo,TEventInfoBuilder extends EventInfoBuilder>
extends java.lang.Object
EventFieldInfo
objects.ContractInfo
,
EventFieldInfo
,
MethodInfoBuilder
,
ParameterInfoBuilder
,
EventInfoBuilder
,
EventParameterInfoBuilder
,
EventFieldInfoBuilder
| Modifier and Type | Field | Description |
|---|---|---|
protected TEventFieldInfo |
eventFieldInfo |
|
protected TEventInfoBuilder |
eventInfoBuilder |
|
protected java.lang.reflect.Field |
field |
|
protected java.util.Optional<java.lang.Integer> |
sourceFieldIndex |
|
protected java.lang.String |
sourceFieldName |
|
protected java.lang.Class<? extends TypeConverter<?,?>> |
typeConverterClass |
| Modifier | Constructor | Description |
|---|---|---|
protected |
EventFieldInfoBuilder(TEventInfoBuilder eventInfoBuilder,
java.lang.reflect.Field field) |
Initializes a new
EventFieldInfoBuilder for the given field and assigns the values
from the metadata annotation EventField |
| Modifier and Type | Method | Description |
|---|---|---|
TSelf |
atIndex(int index) |
Defines the index of the targeted field of the corresponding smart contract event.
|
TEventInfoBuilder |
build() |
Creates the
EventFieldInfo object declared through the fluent API. |
protected abstract TEventFieldInfo |
buildInternal() |
Creates the concrete
EventFieldInfo represented by the builder. |
TEventFieldInfo |
getEventFieldInfo() |
Returns the
EventFieldInfo object declared through the fluent API. |
boolean |
hasBeenBuilt() |
Returns if the
EventFieldInfo object represented by the builder has already been built or not. |
protected TSelf |
self() |
Returns itself as the generic parameter
TSelf . |
TSelf |
sourceFieldName(java.lang.String name) |
Defines the name of the field as it is called in corresponding smart contract event.
|
TSelf |
useTypeConverter(java.lang.Class<? extends TypeConverter<?,?>> typeConverterClass) |
Sets the
TypeConverter to be used to convert smart contract event field value to the declared type of the field in the event object. |
protected final TEventInfoBuilder extends EventInfoBuilder eventInfoBuilder
protected final java.lang.reflect.Field field
protected java.lang.String sourceFieldName
protected java.util.Optional<java.lang.Integer> sourceFieldIndex
protected java.lang.Class<? extends TypeConverter<?,?>> typeConverterClass
protected TEventFieldInfo extends EventFieldInfo eventFieldInfo
protected EventFieldInfoBuilder(TEventInfoBuilder eventInfoBuilder, java.lang.reflect.Field field)
EventFieldInfoBuilder
for the given field and assigns the values
from the metadata annotation EventField
eventInfoBuilder
- parent builderfield
- event fieldpublic TSelf sourceFieldName(java.lang.String name)
EventField.value()
name
- name of the targeted event fieldEventFieldInfoBuilder
public TSelf atIndex(int index)
EventField.index()
index
- index of the targeted event fieldEventFieldInfoBuilder
public TSelf useTypeConverter(java.lang.Class<? extends TypeConverter<?,?>> typeConverterClass)
TypeConverter
to be used to convert smart contract event field value to the declared type of the field in the event object. EventField.useTypeConverter()
typeConverterClass
- class of the TypeConverter
to be used to convert the event field value.EventFieldInfoBuilder
protected TSelf self()
TSelf
. EventFieldInfoBuilder
to return the correct type from the fluent methods like useTypeConverter(Class)
.this
casted to TSelf
public boolean hasBeenBuilt()
EventFieldInfo
object represented by the builder has already been built or not.EventFieldInfo
object represented by the builder has already been built or notpublic TEventFieldInfo getEventFieldInfo()
EventFieldInfo
object declared through the fluent API. build()
.EventFieldInfo
object represented by the builderjava.lang.IllegalStateException
- in case the build()
has not been called before.public final TEventInfoBuilder build()
EventFieldInfo
object declared through the fluent API. EventFieldInfo
object represented by the builderjava.lang.IllegalStateException
- in case the build()
has been called before.protected abstract TEventFieldInfo buildInternal()
EventFieldInfo
represented by the builder.EventFieldInfo
represented by the builder